K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2010-01-12T07:34:23.659133Z
K 7
svn:log
V 324
Since ut_id is binary, just use a hash function to generate ut_id.

I also wanted to include ut_pid into the hash as well, effectively only
allowing ulog_logout() to be called by the same pid, but in practice
this doesn't work, because ulog_log{in,out}_pseudo() spawn a process. I
could use the parent process ID, though...

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